How long does it generally take for PayPal transactions to post/clear? Usually it is next business day, but it depends on the time of day they are submitted to the Fed. This is the case for any financial institution, not just 3Rivers. Have more questions? Submit a request 0 Comments Article is closed for comments. Related articles What is 3Rivers routing number? Can I send money to someone electronically, without paying a fee? What is your mailing address/phone number? Can I reset my password through the app? How do I view my accounts?